policy.rb

require 'openssl'
require 'yaml'

pol_file = File.join(File.dirname(__FILE__),"auths.yaml")
pol = YAML.load(File.read(pol_file))

csr = OpenSSL::X509::Request.new STDIN.read
pw = nil
id_oid = pol[:id_oid]
id = nil
extentions = Hash.new

csr.attributes.each do |attr|
  pw = attr.value.first.value if attr.oid == 'challengePassword'

  if attr.oid == 'extReq'
    extraw = attr.value.first.value.map(&:value)

    index = -1
    extraw.map do |ext|
      index += 1

      ev = OpenSSL::X509::Extension.new(ext[0].value, ext[1].value)
      extentions[ev.oid] = ev.value
    end
  end
end

id = extentions[id_oid]

puts
if pw and id